Path: utzoo!utgpu!utstat!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.BRL.MIL (Doug Gwyn )
Newsgroups: comp.lang.c
Subject: Re: Dubious C code
Message-ID: <9658@smoke.BRL.MIL>
Date: 16 Feb 89 04:45:23 GMT
References: <1508@zen.UUCP> <9619@smoke.BRL.MIL> <5251@cognos.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 15

In article <5251@cognos.UUCP> alanm@cognos.UUCP (Alan Myrvold) writes:
>I didn't realize that a CASE statement within the body of a FOR loop
>was legitimate C code, and just a stupid algorithm.

Surprise!

>VAX/VMS cc does have the sense to complain :
>%CC-E-NOTSWITCH, Default labels and case labels are
>		valid only in "switch" statements.

That compiler is broken -- the case label WAS inside a switch body.

I admit that making use of this language feature is almost always
ill-advised (and, apparently, not portable to VAX/VMS).  "Duff's
device" makes use of it in an essential way, though..